1
Published 1981
Springer Netherlands
Subjects: ...Astronomy / Observations...

2
by Kopal, Zdenek
Published 1979
Springer Netherlands
Subjects: ...Astronomy / Observations...

3
by Kopal, Zdenek
Published 1978
Springer Netherlands
Subjects: ...Astronomy / Observations...

5
by Kopal, Zdenek
Published 1989
Springer Netherlands
Subjects: ...Astronomy / Observations...

6
Published 1985
Springer Netherlands
Subjects: ...Astronomy, Observations and Techniques...

7
by Kopal, Zdenek
Published 1990
Springer Netherlands
Subjects: ...Astronomy, Observations and Techniques...

8
Published 1988
Springer Netherlands
Subjects: ...Astronomy, Observations and Techniques...